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Clarify C comment that O_SYNC/O_FSYNC are really the same settting, as

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opposed to O_DSYNC.
This commit is contained in:
Bruce Momjian
2011-03-10 20:02:52 -05:00
parent 26174d5fd0
commit 5ca543fb2e
1 changed files with 1 additions and 1 deletions
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2
src/backend/access/transam/xlog.c
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@ -8600,7 +8600,7 @@ get_sync_bit(int method)
/* /*
* Optimize writes by bypassing kernel cache with O_DIRECT when using * Optimize writes by bypassing kernel cache with O_DIRECT when using
* O_SYNC, O_DSYNC or O_FSYNC. But only if archiving and streaming are * O_SYNC/O_FSYNC and O_DSYNC. But only if archiving and streaming are
* disabled, otherwise the archive command or walsender process will read * disabled, otherwise the archive command or walsender process will read
* the WAL soon after writing it, which is guaranteed to cause a physical * the WAL soon after writing it, which is guaranteed to cause a physical
* read if we bypassed the kernel cache. We also skip the * read if we bypassed the kernel cache. We also skip the